HomeAppsToolsTap And Drill Chart CalculatorApps like Tap And Drill Chart Calculator Here are some great alternatives to Tap And Drill Chart Calculator by Greg A Miller : Screw Thread Data Calculator ★4.6 Thread pitch gauge ★4.1 Drill and Tap Calculator ★3.4 Nuts & Bolts ★3.8 Drill Bit Charts Pro ★4.8 Machine Screws Drill/Tap Info ★4.7 Thread Cutting & Calculators ★3.7 Thread calculator ★4.4 Smart Ruler Pro ★4.5 iMachinist ★3.4 Millimeter Pro - screen ruler ★4.8 Machinist Calc Pro Calculator ★4.4 Pipefitter Tools ★3.8 Machinist Calc Pro 2 ★4.8 Saddle Stitch - Thread Length ★5.0 CNC Machinist Calculator Ultra ★3.7